[GHC] #11833: GHC can't derive instance of polykinded typeclass for newtype that requires a class constraint

[GHC]

#11833: GHC can't derive instance of polykinded typeclass for newtype that requires
a class constraint
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        Reporter:  RyanGlScott       |                Owner:  RyanGlScott
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:  8.0.2
       Component:  Compiler (Type    |              Version:  8.0.1
  checker)                           |
      Resolution:  fixed             |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  GHC rejects       |  Unknown/Multiple
  valid program                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #8865, #11837     |  Differential Rev(s):  Phab:D2112
       Wiki Page:                    |
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Changes (by bgamari):

 * status:  merge => closed


Comment:

 Merged to `ghc-8.0` as 9cf69d33102aeae925c59d0ccc43a983f1c93081.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11833#comment:7>
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